The American Academy of Neurology (AAN), the largest professional association of neurologists and a leading authority on sports concussion, is releasing a new position paper that states doctors have an ethical obligation to educate and protect athletes from sports concussion and clear them to play only when the athlete is medically ready, standing firm against objections from players, parents or coaches.

It's official: English heavy metal rock band Motorhead has been declared one of the most hardcore rock and roll acts on Earth according to neurosurgical researcher Dr. Ariyan Pirayesh Islamian of Germany's Hannover Medical School.